mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package client
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import (
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"encoding/json"
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"fmt"
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"text/tabwriter"
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"time"
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"github.com/docker/docker/api/types"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/pkg/stringid"
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"github.com/docker/docker/pkg/stringutils"
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"github.com/docker/docker/pkg/units"
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)
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// CmdHistory shows the history of an image.
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//
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// Usage: docker history [OPTIONS] IMAGE
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func (cli *DockerCli) CmdHistory(args ...string) error {
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cmd := cli.Subcmd("history", "IMAGE", "Show the history of an image", true)
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quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
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noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
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cmd.Require(flag.Exact, 1)
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cmd.ParseFlags(args, true)
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rdr, _, err := cli.call("GET", "/images/"+cmd.Arg(0)+"/history", nil, nil)
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if err != nil {
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return err
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}
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history := []types.ImageHistory{}
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err = json.NewDecoder(rdr).Decode(&history)
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if err != nil {
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return err
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}
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w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
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if !*quiet {
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fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE\tCOMMENT")
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}
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for _, entry := range history {
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if *noTrunc {
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fmt.Fprintf(w, entry.ID)
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} else {
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fmt.Fprintf(w, stringid.TruncateID(entry.ID))
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}
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if !*quiet {
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fmt.Fprintf(w, "\t%s ago\t", units.HumanDuration(time.Now().UTC().Sub(time.Unix(entry.Created, 0))))
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if *noTrunc {
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fmt.Fprintf(w, "%s\t", entry.CreatedBy)
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} else {
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fmt.Fprintf(w, "%s\t", stringutils.Truncate(entry.CreatedBy, 45))
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}
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fmt.Fprintf(w, "%s\t", units.HumanSize(float64(entry.Size)))
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fmt.Fprintf(w, "%s", entry.Comment)
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}
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fmt.Fprintf(w, "\n")
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}
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w.Flush()
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return nil
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}
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